Abstract: Display unevenness in a display panel is suppressed. A display panel with a high aperture ratio of a pixel is provided. The display panel includes a first pixel electrode, a second pixel electrode, a third pixel electrode, a first light-emitting layer, a second light-emitting layer, a third light-emitting layer, a first common layer, a second common layer, a common electrode, and an auxiliary wiring. The first common layer is positioned over the first pixel electrode and the second pixel electrode. The first common layer has a portion overlapping with the first light-emitting layer and a portion overlapping with the second light-emitting layer. The second common layer is positioned over the third pixel electrode. The second common layer has a portion overlapping with the third light-emitting layer.

Abstract: A display device that can easily achieve a higher resolution is provided. A display device with high display quality is provided. The display device includes a pixel electrode, a first organic layer, a second organic layer, a first insulating layer, a second insulating layer, and a common electrode. The first insulating layer includes a first portion in contact with part of a top surface of the pixel electrode, a second portion in contact with a side surface of the pixel electrode, and a third portion not in contact with the pixel electrode. The first organic layer includes a fourth portion in contact with another part of the top surface of the pixel electrode and a fifth portion in contact with the first portion. The second organic layer is in contact with the third portion and isolated from the first organic layer. The second insulating layer covers the fifth portion and the second organic layer and is in contact with the first insulating layer between the first organic layer and the second organic layer.

Abstract: An electronic device that can provide a high sense of immersion is provided. An electronic device with low power consumption is provided. The electronic device includes a first display device, a second display device, a first half mirror, an eyepiece lens, and a first lens. The first display device displays a first image, and the second display device displays a second image. The first display device is provided at a position so that the first image is reflected by the first half mirror and enters the eyepiece lens. The second display device is provided at a position so that the second image passes through the first half mirror and enters the eyepiece lens. The first lens is provided between the second display device and the first half mirror. The pixel density of the first display device and that of the second display device are equal to each other.

Abstract: A display device with high display quality is provided. The display device includes a first organic insulating layer, a first inorganic insulating layer and a second inorganic insulating layer over the first organic insulating layer, a first light-emitting element, a second light-emitting element, and a second organic insulating layer. The first light-emitting element includes a first pixel electrode over the first inorganic insulating layer, a first EL layer over the first pixel electrode, and a common electrode over the first EL layer. The second light-emitting element includes a second pixel electrode over the second inorganic insulating layer, a second EL layer over the second pixel electrode, and the common electrode over the second EL layer. The second organic insulating layer is provided between the first EL layer and the second EL layer, and the common electrode is provided over the second organic insulating layer.

Abstract: A display apparatus with high display quality is provided.

Abstract: A face registration controller includes a face image obtaining unit, an adverse condition determination unit, a notification control unit, and a registration unit. The face image obtaining unit obtains a face image of an occupant. The adverse condition determination unit determines whether the face image falls within one of adverse conditions for a face authentication and identify a type of the one of the adverse conditions. The notification control unit notifies, when the face image falls within the one of the adverse conditions, at least one of the type of the one of the adverse conditions and a solution devised in accordance with the type. The registration unit resisters the face image as an authentication image when the face image does not fall within the adverse conditions and refrains from registering the face image when the face image falls within the adverse conditions.

Abstract: A novel display panel that is highly convenient or reliable is provided. The display panel includes a display region, a first functional layer, and a second functional layer. The display region includes a pixel, and the pixel includes a display element and a pixel circuit. The first functional layer includes the pixel circuit, a scan line, and a first connection portion. The display element is electrically connected to the pixel circuit, and the pixel circuit is electrically connected to the scan line. The second functional layer includes a region overlapping with the first functional layer, the second functional layer includes a driver circuit and a wiring, and the driver circuit is provided so that the pixel circuit is positioned between the driver circuit and the display element. The wiring is electrically connected to the scan line at the first connection portion, and the wiring is electrically connected to the driver circuit.

Abstract: A novel functional panel that is highly convenient, useful, or reliable is provided. The functional panel includes a first element, a first reflective film, and an insulating film. The first element includes a first electrode, a second electrode, and a layer containing a light-emitting material; the layer containing a light-emitting material includes a region interposed between the first electrode and the second electrode; the first electrode has a light-transmitting property; and the first electrode has a first thickness. The first electrode is interposed between a region of the first reflective film and the layer containing a light-emitting material, and the first reflective film has a second thickness. The insulating film includes a first opening portion, and the first opening portion overlaps with the first electrode. The insulating film has a first step-like cross-sectional shape, and the first step-like cross-sectional shape surrounds the first opening portion.

Abstract: A display device in which a voltage drop is inhibited adequately is provided. The display device includes a common electrode included in a first light-emitting device in which a plurality of light-emitting layers are stacked and a second light-emitting device in which a plurality of light-emitting layers are stacked and an auxiliary wiring electrically connected to the common electrode. The auxiliary wiring includes a first wiring layer and a second wiring layer, the second wiring layer is electrically connected to the first wiring layer through a contact hole of an insulating layer, and the first wiring laver has a lattice shape in a top view.

Abstract: Provided is a labeling method having a step of labeling a substrate having a carbon-hydrogen bond with an oxygen isotope by using a catalyst and an oxidant produced from a hypervalent iodine compound having an ester structure and labeled water labeled with at least one oxygen isotope selected from the group consisting of 17O and 18O. Also provided is an oxidant for labeling that is produced from a hypervalent iodine compound having an ester structure and labeled water labeled with at least one oxygen isotope selected from the group consisting of 17O and 18O and labels a substrate having a carbon-hydrogen bond with an oxygen isotope in the co-presence of a catalyst.

Abstract: A display device having a photosensing function is provided. A highly convenient display device is provided. The display device includes a light-receiving element and a light-emitting element in a display portion. The light-receiving element includes a first pixel electrode, an active layer, and a common electrode. The light-emitting element includes a second pixel electrode, a light-emitting layer, and a common electrode. The active layer is positioned over the first pixel electrode. The active layer contains a first organic compound. The light-emitting layer is positioned over the second pixel electrode. The light-emitting layer contains a second organic compound different from the first organic compound. The common electrode includes a portion overlapping with the first pixel electrode with the active layer provided therebetween, and a portion overlapping with the second pixel electrode with the light-emitting layer provided therebetween.

Abstract: A high-definition display apparatus is provided. A display apparatus with low power consumption is provided. A display apparatus with high luminance is provided. A display apparatus with a high aperture ratio is provided. The display apparatus includes a first wiring, a second wiring, a third wiring, and a pixel electrode. The first wiring extends in a first direction and is supplied with a source signal. The second wiring extends in a second direction intersecting with the first direction and is supplied with a gate signal. A constant potential is applied to the third wiring. In addition, the first wiring and the pixel electrode are provided to overlap with each other with the third wiring therebetween. An insulating layer includes a portion in contact with part of a top surface of the pixel electrode and a portion in contact with a side surface of the pixel electrode.

Abstract: An optical device with less influence of stray light is provided. The optical device is thin and includes a half mirror, a first lens, a retardation plate, a reflective polarizing plate, and a second lens. In the optical device, a geometric phase lens which has negative and positive refractive power is used as the first lens, whereby images can be focused after magnified optically. Thus, the optical device can have a wide viewing angle. In the case where stray light occurs due to birefringence of an optical material, negative refractive power of the first lens can prevent the stray light from being focused on the eye direction. Accordingly, image degradation recognized due to stray light can be prevented.

Abstract: A power supply system includes a plurality of power transmission coils, a display layer, and a controller. The power transmission coils are arranged in a predetermined direction on a road and configured to transmit electric power in a non-contact manner to a power receiving coil mounted on a vehicle. The display layer is provided above the power transmission coils. The controller controls a display mode of the display layer so as to guide the vehicle in accordance with a traveling state of the vehicle.

Abstract: A display device with improved viewing angle characteristics is provided. A display device with suppressed mixture of colors between adjacent pixels is provided. The display device includes a first coloring layer, a second coloring layer, and a structure body therebetween. The structure body has a portion closer to a display surface side than a bottom surface of the first coloring layer or a bottom surface of the second coloring layer.

Abstract: A screen sharing system includes a first display apparatus including first circuitry; and a second display apparatus including second circuitry. Both of the first display apparatus and the second display apparatus display an input screen. The first circuitry of the first display apparatus is configured to receive first hand drafted input data that is input to the first display apparatus, and set an edit authority, of a user of the second display apparatus, for the first hand drafted input data. The second circuitry of the second display apparatus is configured to restrict editing of the first hand drafted input data based on the edit authority of the user set by the first display apparatus.

Abstract: A display device having an image capturing function is provided. The display device includes a first pixel and a second pixel. The first pixel includes a light-emitting device. The second pixel includes a light-receiving device and a lens. The light-emitting device and the light-receiving device share an electrode. The lens and the light-receiving device include a region overlapping with each other. The width of the lens is greater than the width of a light-receiving portion of the light-receiving device. The cross-sectional shape of the lens in a thickness direction including an optical axis is a substantial trapezoid. The surface including a leg of the substantially trapezoidal shape has a convex shape. The surface including an upper base of the substantially trapezoidal shape and the light-receiving portion are provided to face each other. The first pixel and the second pixel are provided to be adjacent to each other.

Abstract: A display apparatus with high display quality is provided. The display apparatus includes a first light-emitting device and a second light-emitting device adjacent to each other and a first insulating layer. The first light-emitting device includes a first pixel electrode, a first EL layer over the first pixel electrode, and a common electrode over the first EL layer and the first insulating layer. The second light-emitting device includes a second pixel electrode, a second EL layer over the second pixel electrode, and the common electrode over the second EL layer and the first insulating layer. The first insulating layer is in contact with a side surface of the first EL layer and a side surface of the second EL layer. The thickness of the first pixel electrode is smaller than the thickness of the second pixel electrode and the thickness of the first EL layer is larger than the thickness of the second EL layer.

Abstract: A display apparatus with high display quality is provided. The display apparatus includes a light-emitting device, a light-receiving device, a first plano-convex lens, and a second plano-convex lens. The light-emitting device and the first plano-convex lens have an overlap region. The light-receiving device and the second plano-convex lens have an overlap region. The light-emitting device and the light-receiving device each include a pair of electrodes and an organic compound provided between the pair of electrodes. One of the pair of electrodes is a conductive film having a light-transmitting property with respect to visible light. The first plano-convex lens and the second plano-convex lens are provided so that a surface opposite to a convex surface is in contact with the conductive film. A refractive index of the plano-convex lenses is greater than a refractive index of the conductive film.

Abstract: According to one embodiment, a semiconductor device includes first and second electrodes, and first and second regions. The first region includes a first semiconductor region of a first conductivity type, a second semiconductor region of a second conductivity type, a plurality of third semiconductor regions of the first conductivity type, a gate electrode, a conductive part, a fourth semiconductor region of the second conductivity type, a fifth semiconductor region of the first conductivity type, and a sixth semiconductor region of the second conductivity type. The gate electrode faces one of the plurality of third semiconductor regions via a gate insulating layer. The conductive part faces another one of the plurality of third semiconductor regions via an insulating layer, and is electrically connected with the second electrode. The fourth and six semiconductor regions are located on the one and the other one of the plurality of third semiconductor regions, respectively.